30905133

素因数分解:

$3^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{83}}^1\times {\mathrm{149}}^1$

素因数の和:266

約数の個数: 48

約数和(自身を含む): 51710400

約数和(自身を除く): 20805267

約数列:

[1, 3, 7, 17, 21, 49, 51, 83, 119, 147, 149, 249, 357, 447, 581, 833, 1043, 1411, 1743, 2499, 2533, 3129, 4067, 4233, 7301, 7599, 9877, 12201, 12367, 17731, 21903, 29631, 37101, 53193, 69139, 86569, 124117, 207417, 210239, 259707, 372351, 605983, 630717, 1471673, 1817949, 4415019, 10301711, 30905133]

約数ペア:

[(1, 30905133), (3, 10301711), (7, 4415019), (17, 1817949), (21, 1471673), (49, 630717), (51, 605983), (83, 372351), (119, 259707), (147, 210239), (149, 207417), (249, 124117), (357, 86569), (447, 69139), (581, 53193), (833, 37101), (1043, 29631), (1411, 21903), (1743, 17731), (2499, 12367), (2533, 12201), (3129, 9877), (4067, 7599), (4233, 7301)]